[tzs]

> Puppies are 100 percent part of the reason for the westernized world’s population problem.

Isn't "100 percent" redundant here? In general X is either part of the reason for Y or X is not part of the reason for Y. I can't think of any example where X might be say 87% part of the reason for Y.

[ninetyninenine]

It is. It’s a figure of speech emphasizing that there is no way in reality where puppies have not influenced the population problem.

Saying that it has not influenced the population problem is equivalent to not living in reality.